Practice object-oriented design principles with real-world scenarios. Learn to design classes, relationships, and apply SOLID principles.
Design a Parking Lot
Design a Vending Machine
Design a Tic-Tac-Toe Game
Design a Deck of Cards
Design a Logger System
Design a Stack and Queue
Design a Traffic Light System
Design a Coffee Machine
Design a Bank Account System
Design a Shape Calculator
Design a Warehouse Management System
Design a Banking System
Design an Elevator System
Design an Online Shopping System
Design a Learning Management System
Design an ATM
Design a Social Media Platform
Design an IoT Smart Home System
Design a Chess Game
Design a Hotel Booking System
Design a Ride-Sharing Service
Design a Library Management System
Design a Movie Ticket Booking System
Design a Restaurant Order System
Design a Car Rental System
Design an Airline Booking System
Design a Task Management System
Design an Online Auction System
Design a Bowling Alley System
Design a Pharmacy Management System
Design a Contact Management System
Design a Music Player
Design a Voting Booth System
Design a Coupon and Discount System
Design a Warehouse Inventory Tracker
Design a Chat Application
Design a Snake Game
Design a Blackjack Game
Design an Event Emitter
Design a Workout Planner
Design a File Sharing Platform
Design a Food Delivery System
Design a File System
Design a Calendar System
Design a Payment Gateway System
Design a Notification System
Design a Video Streaming Platform
Design a Text Editor with Undo/Redo
Design a Spreadsheet
Design a Workflow Engine
Design a Business Rule Engine
Design a Plugin System
Design a Stock Portfolio Manager
Design a Multi-player Card Game Framework
Design an Object Pool
Design an Email Client
Design a Music Streaming App
Design an E-commerce Cart and Checkout
Design a Middleware Chain
Design a Parking Garage with Dynamic Pricing
Design a Resource Management System
Design a Game State Management System
Design an Entity-Component System
Design an Operating System Task Scheduler
Design a Compiler Lexer and Parser
Design an LRU Cache
Design a Code Editor
Design a Permission and Role System
Design a Board Game Framework
Design a Game Physics Engine